I have had the same issue, that's why there are a couple things named by me that have slight variations to them. I have never been able to rename the same item with the exact same name to extend the naming term.

This thread is closed to new posts.
However, you are welcome to reference it
from a new thread; link this with the html
<a href="/bboard/q-and-a-fetch-msg.tcl?msg_id=002FkX">Is it possible to give your item the exact same name?</a>